// Test default empty when no env var is set
        String originalAppType = System.getenv("FESS_APP_TYPE");

        // Since we can't modify environment variables directly,
        // we test the current behavior
        String appType = ResourceUtil.getAppType();
        assertNotNull(appType);
        // appType should be either empty string or the actual env value

                builder.startObject();
                builder.field("string", "test");
                builder.endObject();
                return builder;
            }
        };

        try {
            String result = SearchEngineUtil.getXContentString(xContent, XContentType.JSON);
            assertNotNull(result);
            assertTrue(result.contains("string"));
            assertTrue(result.contains("test"));

    }

    // ////////////////////////////////////////////////////////////////
    // from String to OutputStream
    //
    /**
     * Copies a string to an output stream using the platform default encoding.
     * <p>
     * The output stream is not closed.
     * </p>
     *
     * @param in the string (must not be {@literal null})
     * @param out the output stream (must not be {@literal null})

	Buckets           []string      `json:"buckets" msg:"bus"`           // buckets being rebalanced or to be rebalanced
	RebalancedBuckets []string      `json:"rebalancedBuckets" msg:"rbs"` // buckets rebalanced
	Bucket            string        `json:"bucket" msg:"bu"`             // Last rebalanced bucket
	Object            string        `json:"object" msg:"ob"`             // Last rebalanced object

    } finally {
      joinPool(e);
    }
  }

  private static final String TEST_STRING = "a test string";

  /** invokeAny(c) returns result of some task in c if at least one completes */
  public void testInvokeAnyImpl() throws Exception {
    ListeningExecutorService e = newDirectExecutorService();
    try {
      List<Callable<String>> l = new ArrayList<>();
      l.add(() -> TEST_STRING);
      l.add(() -> TEST_STRING);

func (f *fileListEntry) String() string {
	return fs.FormatDirEntry(f)
}

// toValidName coerces name to be a valid name for fs.FS.Open.
func toValidName(name string) string {
	name = strings.ReplaceAll(name, `\`, `/`)
	p := path.Clean(name)

	p = strings.TrimPrefix(p, "/")

	for strings.HasPrefix(p, "../") {
		p = p[len("../"):]
	}

	return p
}

        break;
      }
    }
    return index;
  }

  /*
   * Overridden for performance. For unescaped strings this improved the performance of the uri
   * escaper from ~400ns to ~170ns as measured by {@link CharEscapersBenchmark}.
   */
  @Override
  public String escape(String s) {
    checkNotNull(s);
    int slen = s.length();
    for (int index = 0; index < slen; index++) {

    abstract int readRDataWireFormat(byte[] src, int srcIndex);

    @Override
    public String toString() {
        String opCodeString, resultCodeString, questionTypeString;
        final String questionClassString;
        String recordTypeString;
        final String recordClassString;

        opCodeString = switch (opCode) {
        case QUERY -> "QUERY";
        case WACK -> "WACK";

        // Test toString
        String result = fileInternalInfo.toString();

        // Verify string contains expected components
        assertNotNull(result);
        assertTrue(result.contains("SmbQueryFileInternalInfo"));
        assertTrue(result.contains("indexNumber="));
        assertTrue(result.contains(String.valueOf(expectedIndexNumber)));
    }

    @Test

            }
            return acceptOrReject(member, changes, Violation.error(member, "Breaking Kotlin modifier change"))
        }

        return null
    }

    private static String modifierChangeDetail(String modifier, boolean added) {
        return "$modifier modifier was ${added ? "added" : "removed"}"
    }